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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-11-16 18:30:26 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-11-16 18:30:26 -0800 |
| commit | 4c5cdb1e1f2a502069f57a60b5c6b97b8106c73c (patch) | |
| tree | 1067a3ce7dd39f3ac3aa3b961b1f0612507f694e /arch/x86/kernel/cpu/cpufreq/powernow-k8.h | |
| parent | 8c0863403f109a43d7000b4646da4818220d501f (diff) | |
| parent | 18a7247d1bb2e2dcbab628d7e786d03df5bf1eed (diff) | |
| download | linux-4c5cdb1e1f2a502069f57a60b5c6b97b8106c73c.tar.gz linux-4c5cdb1e1f2a502069f57a60b5c6b97b8106c73c.tar.bz2 linux-4c5cdb1e1f2a502069f57a60b5c6b97b8106c73c.zip | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq
* master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq:
[CPUFREQ] Fix up whitespace in conservative governor.
[CPUFREQ] Make cpufreq_conservative handle out-of-sync events properly
[CPUFREQ] architectural pstate driver for powernow-k8
Diffstat (limited to 'arch/x86/kernel/cpu/cpufreq/powernow-k8.h')
| -rw-r--r-- | arch/x86/kernel/cpu/cpufreq/powernow-k8.h | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.h b/arch/x86/kernel/cpu/cpufreq/powernow-k8.h index 7c4f6e0faed4..afd2b520d35c 100644 --- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.h +++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.h @@ -10,6 +10,7 @@ struct powernow_k8_data { u32 numps; /* number of p-states */ u32 batps; /* number of p-states supported on battery */ + u32 max_hw_pstate; /* maximum legal hardware pstate */ /* these values are constant when the PSB is used to determine * vid/fid pairings, but are modified during the ->target() call @@ -21,8 +22,8 @@ struct powernow_k8_data { u32 plllock; /* pll lock time, units 1 us */ u32 exttype; /* extended interface = 1 */ - /* keep track of the current fid / vid or did */ - u32 currvid, currfid, currdid; + /* keep track of the current fid / vid or pstate */ + u32 currvid, currfid, currpstate; /* the powernow_table includes all frequency and vid/fid pairings: * fid are the lower 8 bits of the index, vid are the upper 8 bits. @@ -87,23 +88,14 @@ struct powernow_k8_data { /* Hardware Pstate _PSS and MSR definitions */ #define USE_HW_PSTATE 0x00000080 -#define HW_PSTATE_FID_MASK 0x0000003f -#define HW_PSTATE_DID_MASK 0x000001c0 -#define HW_PSTATE_DID_SHIFT 6 #define HW_PSTATE_MASK 0x00000007 #define HW_PSTATE_VALID_MASK 0x80000000 -#define HW_FID_INDEX_SHIFT 8 -#define HW_FID_INDEX_MASK 0x0000ff00 -#define HW_DID_INDEX_SHIFT 16 -#define HW_DID_INDEX_MASK 0x00ff0000 -#define HW_WATTS_MASK 0xff -#define HW_PWR_DVR_MASK 0x300 -#define HW_PWR_DVR_SHIFT 8 -#define HW_PWR_MAX_MULT 3 -#define MAX_HW_PSTATE 8 /* hw pstate supports up to 8 */ +#define HW_PSTATE_MAX_MASK 0x000000f0 +#define HW_PSTATE_MAX_SHIFT 4 #define MSR_PSTATE_DEF_BASE 0xc0010064 /* base of Pstate MSRs */ #define MSR_PSTATE_STATUS 0xc0010063 /* Pstate Status MSR */ #define MSR_PSTATE_CTRL 0xc0010062 /* Pstate control MSR */ +#define MSR_PSTATE_CUR_LIMIT 0xc0010061 /* pstate current limit MSR */ /* define the two driver architectures */ #define CPU_OPTERON 0 |